Empirical rule. States that, in a normal distribution, about 68% of the terms are within one standard deviation of the mean, about 95% are within two standard deviations, and about 99.7% are within three standard deviations (normal curve). Lurking Variable.
Since then, thanks to an additional boost from TLC, the Duggarsâ net worth has grown to an estimated $3.5 million. Although we canât all have lucrative reality TV contracts, most of us can learn a few things from the Duggarsâ money philosophyâ¦.
Penn has also recently appeared as a contestant on the 2012 season of The Apprentice, and in 2014 on the reality series, Celebrity Wife Swap where he swapped lives with stand-up comedian, Judy Gold. 1  Penn Jillette Nabs $3.8 Million Las Vegas Mansion. 2  Penn and Teller Net Worth. 3  Kym Johnson Net Worth.